package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @Author: charls
 * @Description:TODO
 * @Date: 2023/06/19/ 14:38
 * @Version: 1.0
 */
@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    /**
     * 去结算确认页
     * @param model
     * @return
     * @throws ExecutionException
     * @throws InterruptedException
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmOrder =orderService.confirmOrder();

        model.addAttribute("orderConfirmData",confirmOrder);
        // 展示订单确认的数据
        return "confirm";
    }

    /**
     * 下单功能
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        SubmitOrderResponseVo responseVo =orderService.submitOrder(vo);
        // 下单：去创建订单，验令牌，验价格，锁库存。。。
        // 下单成功来到支付选择页
        // 下单失败回到订单确认页重新确认订单信息

        System.out.println("订单提交的数据。。。"+vo);

        if (responseVo.getCode()==0){
            // 下单成功来到支付选择页
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else {
            String msg="下单失败";
            switch (responseVo.getCode()){
                case 1: msg+="订单信息过期，请刷新再次提交";break;
                case 2: msg+="订单商品价格发生变化，请确认后再次提交";break;
                case 3: msg+="库存锁定失败，商品库存不足";break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }

}
